[scribus-dev] CTL and Trunk: where are we at?

Craig Bradney cbradney at scribus.info
Mon Apr 25 21:52:37 UTC 2016

I can now pretty easily build CTL nightlies… 


I just uploaded a build. Note, it has NOT been tested in any way.


> On 25 Apr 2016, at 16:59, Khaled Hosny <khaledhosny at eglug.org> wrote:
> AFAIK, all boxes related fixes in trunk are either picked in the CTL
> branch, solved in a different way, or was already solved while doing the
> CTL integration. The only remaining issue in this category is the
> performance of linked text frames which will probably be a none-issue
> when we introduce a general shaping cache (like many other users of
> HarfBuzz).
> Other than that, this is the list of issues we need to fix before the
> code is ready to be merged:
> https://github.com/HOST-Oman/scribus/milestones/Complex%20text%20layout
> One particularly difficult issue in this list is breaking lines inside
> ligatures: https://github.com/HOST-Oman/scribus/issues/144 To put it
> simply, I don’t have a clear idea how to fix this, yet. I know how TeX
> handles it (it stores both the ligated glyph and its non ligated
> components in its “shaping” output) but it can’t be replicated with
> HarfBuzz with a very big performance penalty (need to reshape the text
> several times with and without the ligatures and check the difference)
> or sacrificing layout accuracy.
> Any help with the remaining issues is highly appreciated, it is only me
> and Fahad working on the code now in our spare time.
> Regards,
> Khaled
> On Mon, Apr 25, 2016 at 09:16:21AM -0500, Scribus User wrote:
>> Hi everybody,
>> I'm writing this email to get things straight and clear about where is CTL
>> in comparison to trunk these days. FYI, I'm not speaking for the Scribus
>> team here, just working to understand for my own perception. Thank you for
>> your patience.
>> Recently a github bug was open on Host-Oman repo
>> https://github.com/HOST-Oman/scribus/issues/147 (although we don't know if
>> these are the only blockers for 1.5.2 yet). Host-Oman responded that most
>> of these were fixed but needed testing to confirm. Also Craig recently sent
>> an email with revisions that Scribus Team made in Trunk in order to fix
>> some regressions from 'boxes' merge (Craig, where is that list BTW, could
>> you resend?)
>> 1. Are all these things reconciled?
>> 2. Are there any pending issues that need to be addressed? Lets list them.
>> 3. In order to get more widely tested, CTL needs to be built nightly so
>> that testers can confirm the Host-Oman's great progress. Can we organize a
>> place and methodology for this to happen? (I've tried to spearhead this but
>> encountered some technical problems:
>> https://github.com/HOST-Oman/scribus/issues/118). Any volunteers, please
>> make yourselves heard.
>> Thanks for all the work so far from everybody involved!
>> Cheers,
>> /Kunda
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